PSARC/2008/680 Allow complex port list specificition for nc(1)
6691168 allow for complex port list specification in nc
6707509 nc should check -U flag usage more thoroughly

6691241 more strict checking for -l flag in nc

6646592 nc should listen on both AF_INET[6] wildcard addresses by default
6646623 nc needs more and better verbose messages

PSARC/2007/389 Netcat In Solaris
4664622 Solaris needs netcat